Colors

Data mode

Account

Login
Sign up

Support FSUS...

We've finished our 2024 fundraiser. Many thanks to those who have given! It's not too late to support us (click here)...

Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Aruncus

Copy permalink to share

1 Follicles 2.5-3.5 mm long
1 Follicles 1.5-2 mm long.
  2 Follicles semi-ovoid, strongly convex on the back, about 1/2 as thick (measured radially) as long, 1.5-2.0 mm long; leaves somewhat lustrous, the lower surface glabrous to sparsely pubescent
  2 Follicles nearly cylindric, about 1/3 as thick (measured radially) as long, 1.7-2.5 mm long; leaves dull, the lower surface pubescent